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Ruby is an open-source dynamic and general-purpose programming language that is similar to languages like Perl, Lisp, Python and Smalltalk. On Upwork, the world’s largest online workplace, companies hire Ruby freelancers for various Ruby development projects, from web applications and threaded database servers to chart libraries, desktop GUI applications and image recognition engines.

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Last updated: October 1, 2015
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Kranthi R Agency Contractor

Sr RoR Geek. Agile/SCRUM/TDD/BDD/CSS/JScript/Databases/Deployments

India - Tests: 3 - Portfolio: 4

I am an Open Source developer with over 4 years of experience, working in distributed agile development environments from around the world. Over the last 3 years, I have, as Lead Developer, built software using Ruby on Rails, flash, flex, actionscript, etc. as part of teams using methodologies like SCRUM and Behaviour Driven Development (BDD). I have good experience working with Web Start-ups and Small & Medium Businesses; and I worked with quite a few entrepreneurs helping them turn their ideas to life. I bring with me detail oriented experience in managing development of Database Driven Scalable Web Applications from start to finish (FYI: I have been ranked by oDesk as Top Web Developer thrice).  Technical Experience and Skills: + Built complex RESTful web Applications using Test Driven Development for implementing multi-stage workflows that involved multiple nested resources. (LAMP skills included) + Proven skills in all stages of Web Application development and good in both Front-end and Back-end programming  + Have extensive database application experience using MySQL, PostgreSQL, Oracle and SQL syntax of all 3 database. I am also comfortable with the PL/pgSQL + I have strong programming skills in core JavaScript and JS libraries like jQuery & Prototype. I have used Ajax extensively with Rails to build interactive web interfaces, using CSS, XML, HTML. Also, to keep Rails views manageable I have extensively used HAML and SASS. + Experience in building Content Management Systems (RadiantCMS), Social Networks and Rich Internet Applications. + Experienced with Deployment Strategies and have implemented automated deployment  using Capistrano for my major projects, and am comfortable with Apache, Mongrel, Nginx; including memcached + Experienced in TDD/BDD (Test / Behavior Driven Development) (RSpec/Cucumber/Shoulda/Test::Unit), Cloud Computing (SimpleDB; AWS), Version Control (Git, Unfuddle) and Agile Project Management (Pivotal, Git, Unfuddle, Assembla) + Experienced in Flash/Flex/Actionscript & Adobe Air; developed flash websites (with cross browser compatibility), e-learning software, web video players etc. PM Skills:  + Collaborative Requirements Gathering and Analysis + Work Breakdown Structure (WBS) preparation; Sprint Schedule & Product Backlog ; User Stories and Use Cases preparation + Resource Mapping; Tracking and Reporting + Flexible work schedule to ensure project delivery and success Thank you for visiting my profile. Please let me know how I can add value to you and your team. Kranthi

Groups: Engine Yard Ruby on Rails Professionals Network

Associated with: HighonRails Agency

$40.00 /hr
5,834 hours

Irina Tralo

Irina Tralo

Automation Test Engineer

Ukraine - Portfolio: 1

5 years in programming - php webdeveloper More than 4 years in testing - yes, i really like it! - 1+ years as a manual tester; - 3+ years as an automation tester; Strong skills in test planning, test design, test execution and bug reporting Expertise in functional, regression testing. Basic knowledge in load testing tools -Jmeter, Grinder. Strong understanding of the automated test cases creation and maintenance for Selenium Webdriver with the help of Java/Ruby/Python. Get familiar with such frameworks - Junit, TestNG, Thucydides, jbehave. Have experience with CI - Jenkins, Teamcity. Use SVN, Git , Jira in everyday work. Excellent coordination skills.

$15.00 /hr
346 hours

Bob Mazanec

Bob Mazanec

Software Developer

United States - Tests: 4 - Portfolio: 2

20+ year software development veteran with experience in UN*X, Windows, OS X, iOS, C, C++, C#, Perl, Tcl/Tk, HTML, XML, Ruby, Ruby on Rails, Git, Subversion, HL7, X12, and a few other things. I've worked alone; I've helped build 2 companies. I like working with interesting people solving interesting problems.

$28.00 /hr
191 hours

Md.Abdullah al Mamun

Md.Abdullah al Mamun

An experienced and reliable PHP developer

Bangladesh - Tests: 6 - Portfolio: 11

I am highly experienced php programmer seeking php work. I’m willing to learn new technologies. Since 2006, I have served as a programmer, where I have develop many software and systems. I am responsible for full life-cycle development of next-generation software, from initial requirement gathering to design, coding, testing, documentation and implementation. I am highly capable of testing a variety of internet applications and finding solutions to clients needs and problems. Advanced knowledge of back-end web technologies such as Python, PHP, Ruby, Perl, Java, C#. Framework/CMS such as WordPress, OpenCart, Laravel,Yii, Django, Turbo Gear Database such as MySQL, SQL, and relational database concepts. Additionally, Good knowledge and experience with front-end web technologies such as HTML/XHTML, CSS, XML, JavaScript with Ajax, JSON and jQuery.

80% Job Success
$6.67 /hr
311 hours

jagadeesh Barbari

jagadeesh Barbari

Full stack developer ROR, JAVA, Node.js, , Meteor & Consultant


Hands on experience in Application Design, Enhancement, Maintenance and Deployment on Ruby, Ruby on Rails, node.js , Angular.js, Meteor , MongoDB, Responsive Designs bootstrap, Fundation, Material design, Infusionsoft , AWS EC2 , S3 , Elastic beanstalk , MMS cluster,Heroku etc. And also have team of a Java developer Spring , Hibernet web-services Architect Designs. We can deliver the projects both back end and front end according the project we decide the language to choose we can work Java as back-end and front will be Angular, jquery Ajax etc. will be the stack.

$10.00 /hr
297 hours

Gerard Arguelles

Gerard Arguelles Agency Contractor

Javascript Developer

Philippines - Tests: 2 - Portfolio: 4

Since 2010, I have served as a software engineer for various local and US based companies, where I have been involved in large projects that is heavy in javascript. I am responsible for full lifecycle development of next-generation products, from initial requirement gathering, techical architecture, coding and deployment. I also have a 2 year teaching (web development, experience that has become very handy for me in teaching stuff to newly hired devs. My technical expertise includes cross-platform proficiency (windows, mac, linux). Including C#,,, Javascript (React, Backbone, Ember..), HTML5, CSS3 (less, sass) Some Experience in Ruby on Rails and Node JS(express, sails).

Associated with: Ruby Cluster, Darkline Co.

$25.00 /hr
307 hours

Ankur Jain

Ankur Jain Agency Contractor

Expert in Rails 2.X, Rails 3.X, Spree, Refinery, MongoDb, Spree

India - Tests: 8 - Portfolio: 4

I am fully capable of using leading technologies like Cucumber , RSpec, Rails 3,CSS3,HTML 5, JQuery , Scriptaculous ,Git , Heroku , Amazon S3 , Facebook API, Geolocation and Twitter APIs. I believe in proactive communication and have regular updates/ meetings with the client through skype or any other preferred medium.(Yammer, Basecamp etc)


$20.00 /hr
1,933 hours

Michael Matrosov

Michael Matrosov

Software QA Engineer

Ukraine - Tests: 3 - Portfolio: 1

• 1 year experience in Automated Testing. • 3+ years experiences in Web Development. • Good knowledge of standard industry QA methodologies and Software Development Life Cycle. • Work experience in cross-functional team which applies agile Software Development approach. • Highly motivated, responsible, good analytical and technical skills.

$13.20 /hr
767 hours

Jay P

Jay P Agency Contractor

EC2/Xen/Vmware/S3/EBS/Nagios/LAMP/SQLServer/HIPAA/PCI/ Quickbooks

United States - Tests: 17 - Portfolio: 3

I have been developing complex software applications for companies in Silicon Valley, San Francisco Bay Area in particular and for clients all over the world in for the last 15 years. I can take your ideas and implement them as I have done for clients in the past. I specialize in Health, Finance, Social and complex web based applications. Let me help you bring your ideas to life.

Associated with: Lambodar Inc. Agency

$9.89 /hr
1,817 hours